arch/arm/Kconfig.debug

1 # SPDX-License-Identifier: GPL-2.0
3 config ARM_PTDUMP_CORE
6 config ARM_PTDUMP_DEBUGFS
20 config ARM_DEBUG_WX
30 		Look for a message in dmesg output like this:
44 		once the kernel has booted up - it's a one time check.
57 config UNWINDER_FRAME_POINTER
66 config UNWINDER_ARM
79 config ARM_UNWIND
82 config BACKTRACE_VERBOSE
93 config DEBUG_USER
104 	      1 - undefined instruction events
105 	      2 - system calls
106 	      4 - invalid data aborts
107 	      8 - SIGSEGV faults
108 	     16 - SIGBUS faults
111 config DEBUG_LL
112 	bool "Kernel low-level debugging functions (read help!)"
125 	prompt "Kernel low-level debugging port"
128 	config DEBUG_ALPINE_UART0
129 		bool "Kernel low-level debugging messages via Alpine UART0"
133 		  Say Y here if you want kernel low-level debugging support
136 	config DEBUG_ASM9260_UART
137 		bool "Kernel low-level debugging via asm9260 UART"
141 		  their output to an UART or USART port on asm9260 based
157 	config DEBUG_AT91_RM9200_DBGU
158 		bool "Kernel low-level debugging on AT91RM9200, AT91SAM9, SAM9X60 DBGU"
162 		  Say Y here if you want kernel low-level debugging support
167 	config DEBUG_AT91_SAM9263_DBGU
168 		bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU"
172 		  Say Y here if you want kernel low-level debugging support
177 	config DEBUG_AT91_SAMA5D2_UART1
178 		bool "Kernel low-level debugging on SAMA5D2 UART1"
182 		  Say Y here if you want kernel low-level debugging support
185 	config DEBUG_AT91_SAMA5D4_USART3
186 		bool "Kernel low-level debugging on SAMA5D4 USART3"
190 		  Say Y here if you want kernel low-level debugging support
193 	config DEBUG_AT91_SAMV7_USART1
194 		bool "Kernel low-level debugging via SAMV7 USART1"
199 		  their output to the USART1 port on SAMV7 based
202 	config DEBUG_AT91_SAMA7G5_FLEXCOM3
203 		bool "Kernel low-level debugging on SAMA7G5 FLEXCOM3"
207 		  Say Y here if you want kernel low-level debugging support
210 	config DEBUG_AT91_LAN966_FLEXCOM
211 		bool "Kernel low-level debugging on LAN966 FLEXCOM USART"
215 		Say Y here if you want kernel low-level debugging support
230 	config DEBUG_BCM2835
231 		bool "Kernel low-level debugging on BCM2835 PL011 UART"
235 	config DEBUG_BCM2836
236 		bool "Kernel low-level debugging on BCM2836 PL011 UART"
240 	config DEBUG_BCM_5301X
241 		bool "Kernel low-level debugging on BCM5301X/NSP UART1"
245 	config DEBUG_BCM_HR2
246 		bool "Kernel low-level debugging on Hurricane 2 UART2"
250 	config DEBUG_BCM_IPROC_UART3
251 		bool "Kernel low-level debugging on BCM IPROC UART3"
256 		  their output to the third serial port on these devices.
258 	config DEBUG_BCM_KONA_UART
259 		bool "Kernel low-level debugging messages via BCM KONA UART"
263 		  Say Y here if you want kernel low-level debugging support
269 	config DEBUG_BCM63XX_UART
270 		bool "Kernel low-level debugging on BCM63XX UART"
273 	config DEBUG_BERLIN_UART
278 		  Say Y here if you want kernel low-level debugging support
281 	config DEBUG_BRCMSTB_UART
282 		bool "Use BRCMSTB UART for low-level debug"
286 		  their output to the first serial port on these devices. The
293 	config DEBUG_CLPS711X_UART1
294 		bool "Kernel low-level debugging messages via UART1"
298 		  their output to the first serial port on these devices.
300 	config DEBUG_CLPS711X_UART2
301 		bool "Kernel low-level debugging messages via UART2"
305 		  their output to the second serial port on these devices.
307 	config DEBUG_DAVINCI_DA8XX_UART1
308 		bool "Kernel low-level debugging on DaVinci DA8XX using UART1"
313 		  their output to UART1 serial port on DaVinci DA8XX devices.
315 	config DEBUG_DAVINCI_DA8XX_UART2
316 		bool "Kernel low-level debugging on DaVinci DA8XX using UART2"
321 		  their output to UART2 serial port on DaVinci DA8XX devices.
323 	config DEBUG_DC21285_PORT
324 		bool "Kernel low-level debugging messages via footbridge serial port"
328 		  their output to the serial port in the DC21285 (Footbridge).
330 	config DEBUG_DIGICOLOR_UA0
331 		bool "Kernel low-level debugging messages via Digicolor UA0"
335 		  their output to the UA0 serial port in the CX92755.
337 	config DEBUG_EP93XX
338 		bool "Kernel low-level debugging messages via ep93xx UART"
342 		  Say Y here if you want kernel low-level debugging support
345 	config DEBUG_FOOTBRIDGE_COM1
346 		bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
351 		  their output to the 8250 at PCI COM1.
353 	config DEBUG_GEMINI
354 		bool "Kernel low-level debugging messages via Cortina Systems Gemini UART"
358 		  Say Y here if you want kernel low-level debugging support
361 	config DEBUG_HI3620_UART
366 		  Say Y here if you want kernel low-level debugging support
369 	config DEBUG_HIGHBANK_UART
370 		bool "Kernel low-level debugging messages via Highbank UART"
375 		  their output to the UART on Highbank based devices.
377 	config DEBUG_HIP01_UART
382 		  Say Y here if you want kernel low-level debugging support
385 	config DEBUG_HIP04_UART
390 		  Say Y here if you want kernel low-level debugging support
393 	config DEBUG_HIX5HD2_UART
398 		  Say Y here if you want kernel low-level debugging support
401 	config DEBUG_IMX1_UART
405 		  Say Y here if you want kernel low-level debugging support
408 	config DEBUG_IMX23_UART
413 		  Say Y here if you want kernel low-level debugging support
416 	config DEBUG_IMX25_UART
420 		  Say Y here if you want kernel low-level debugging support
423 	config DEBUG_IMX27_UART
427 		  Say Y here if you want kernel low-level debugging support
430 	config DEBUG_IMX28_UART
435 		  Say Y here if you want kernel low-level debugging support
438 	config DEBUG_IMX31_UART
442 		  Say Y here if you want kernel low-level debugging support
445 	config DEBUG_IMX35_UART
449 		  Say Y here if you want kernel low-level debugging support
452 	config DEBUG_IMX50_UART
456 		  Say Y here if you want kernel low-level debugging support
459 	config DEBUG_IMX51_UART
463 		  Say Y here if you want kernel low-level debugging support
466 	config DEBUG_IMX53_UART
470 		  Say Y here if you want kernel low-level debugging support
473 	config DEBUG_IMX6Q_UART
477 		  Say Y here if you want kernel low-level debugging support
480 	config DEBUG_IMX6SL_UART
484 		  Say Y here if you want kernel low-level debugging support
487 	config DEBUG_IMX6SX_UART
491 		  Say Y here if you want kernel low-level debugging support
494 	config DEBUG_IMX6UL_UART
498 		  Say Y here if you want kernel low-level debugging support
501 	config DEBUG_IMX7D_UART
505 		  Say Y here if you want kernel low-level debugging support
508 	config DEBUG_INTEGRATOR
509 		bool "Kernel low-level debugging messages via ARM Integrator UART"
513 		  Say Y here if you want kernel low-level debugging support
516 	config DEBUG_KEYSTONE_UART0
517 		bool "Kernel low-level debugging on KEYSTONE2 using UART0"
522 		  their output to UART0 serial port on KEYSTONE2 devices.
524 	config DEBUG_KEYSTONE_UART1
525 		bool "Kernel low-level debugging on KEYSTONE2 using UART1"
530 		  their output to UART1 serial port on KEYSTONE2 devices.
532 	config DEBUG_LPC18XX_UART0
533 		bool "Kernel low-level debugging via LPC18xx/43xx UART0"
537 		  Say Y here if you want kernel low-level debugging support
540 	config DEBUG_LPC32XX
541 		bool "Kernel low-level debugging messages via NXP LPC32xx UART"
545 		  Say Y here if you want kernel low-level debugging support
548 	config DEBUG_MESON_UARTAO
549 		bool "Kernel low-level debugging via Meson6 UARTAO"
552 		  Say Y here if you want kernel low-lever debugging support
555 	config DEBUG_MMP_UART2
556 		bool "Kernel low-level debugging message via MMP UART2"
560 		  Say Y here if you want kernel low-level debugging support
563 	config DEBUG_MMP_UART3
564 		bool "Kernel low-level debugging message via MMP UART3"
568 		  Say Y here if you want kernel low-level debugging support
571 	config DEBUG_MVEBU_UART0
572 		bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)"
577 		  Say Y here if you want kernel low-level debugging support
592 		  when u-boot hands over to the kernel, the system
593 		  silently crashes, with no serial output at all.
595 	config DEBUG_MVEBU_UART0_ALTERNATE
596 		bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)"
600 		  Say Y here if you want kernel low-level debugging support
609 		  when u-boot hands over to the kernel, the system
610 		  silently crashes, with no serial output at all.
612 	config DEBUG_MVEBU_UART1_ALTERNATE
613 		bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)"
617 		  Say Y here if you want kernel low-level debugging support
627 		  when u-boot hands over to the kernel, the system
628 		  silently crashes, with no serial output at all.
630 	config DEBUG_MSTARV7_PMUART
631 		bool "Kernel low-level debugging messages via MSTARV7 PM UART"
635 		  Say Y here if you want kernel low-level debugging support
636 		  for MSTAR ARMv7-based platforms on PM UART.
638 	config DEBUG_MT6589_UART0
643 		  Say Y here if you want kernel low-level debugging support
646 	config DEBUG_MT8127_UART0
651 		  Say Y here if you want kernel low-level debugging support
654 	config DEBUG_MT8135_UART3
659 		  Say Y here if you want kernel low-level debugging support
662 	config DEBUG_NOMADIK_UART
663 		bool "Kernel low-level debugging messages via NOMADIK UART"
667 		  Say Y here if you want kernel low-level debugging support
670 	config DEBUG_NSPIRE_CLASSIC_UART
671 		bool "Kernel low-level debugging via TI-NSPIRE 8250 UART"
675 		  Say Y here if you want kernel low-level debugging support
676 		  on TI-NSPIRE classic models.
678 	config DEBUG_NSPIRE_CX_UART
679 		bool "Kernel low-level debugging via TI-NSPIRE PL011 UART"
683 		  Say Y here if you want kernel low-level debugging support
684 		  on TI-NSPIRE CX models.
686 	config DEBUG_OMAP1UART1
687 		bool "Kernel low-level debugging via OMAP1 UART1"
691 		  Say Y here if you want kernel low-level debugging support
694 	config DEBUG_OMAP1UART2
695 		bool "Kernel low-level debugging via OMAP1 UART2"
699 		  Say Y here if you want kernel low-level debugging support
702 	config DEBUG_OMAP1UART3
703 		bool "Kernel low-level debugging via OMAP1 UART3"
707 		  Say Y here if you want kernel low-level debugging support
710 	config DEBUG_OMAP2UART1
718 	config DEBUG_OMAP2UART2
719 		bool "Kernel low-level debugging messages via OMAP2/3/4 UART2"
723 	config DEBUG_OMAP2UART3
724 		bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)"
728 	config DEBUG_OMAP3UART3
729 		bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)"
737 	config DEBUG_OMAP4UART3
738 		bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)"
742 	config DEBUG_OMAP3UART4
743 		bool "Kernel low-level debugging messages via OMAP36XX UART4"
747 	config DEBUG_OMAP4UART4
748 		bool "Kernel low-level debugging messages via OMAP4/5 UART4"
752 	config DEBUG_TI81XXUART1
753 		bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)"
757 	config DEBUG_TI81XXUART2
758 		bool "Kernel low-level debugging messages via TI81XX UART2"
762 	config DEBUG_TI81XXUART3
763 		bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)"
767 	config DEBUG_AM33XXUART1
768 		bool "Kernel low-level debugging messages via AM33XX UART1"
772 	config DEBUG_ZOOM_UART
773 		bool "Kernel low-level debugging messages via Zoom2/3 UART"
777 	config DEBUG_PXA_UART1
779 		bool "Use PXA UART1 for low-level debug"
782 		  Say Y here if you want kernel low-level debugging support
785 	config DEBUG_QCOM_UARTDM
786 		bool "Kernel low-level debugging messages via QCOM UARTDM"
790 		  their output to the serial port on Qualcomm devices.
803 	config DEBUG_REALVIEW_STD_PORT
809 		  their output to the serial port on RealView EB, PB11MP, PBA8
812 	config DEBUG_REALVIEW_PB1176_PORT
818 		  their output to the standard serial port on the RealView
821 	config DEBUG_RV1108_UART0
822 		bool "Kernel low-level debugging messages via Rockchip RV1108 UART0"
826 		  Say Y here if you want kernel low-level debugging support
829 	config DEBUG_RV1108_UART1
830 		bool "Kernel low-level debugging messages via Rockchip RV1108 UART1"
834 		  Say Y here if you want kernel low-level debugging support
837 	config DEBUG_RV1108_UART2
838 		bool "Kernel low-level debugging messages via Rockchip RV1108 UART2"
842 		  Say Y here if you want kernel low-level debugging support
845 	config DEBUG_RK29_UART0
846 		bool "Kernel low-level debugging messages via Rockchip RK29 UART0"
850 		  Say Y here if you want kernel low-level debugging support
853 	config DEBUG_RK29_UART1
854 		bool "Kernel low-level debugging messages via Rockchip RK29 UART1"
858 		  Say Y here if you want kernel low-level debugging support
861 	config DEBUG_RK29_UART2
862 		bool "Kernel low-level debugging messages via Rockchip RK29 UART2"
866 		  Say Y here if you want kernel low-level debugging support
869 	config DEBUG_RK3X_UART0
870 		bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0"
874 		  Say Y here if you want kernel low-level debugging support
877 	config DEBUG_RK3X_UART1
878 		bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1"
882 		  Say Y here if you want kernel low-level debugging support
885 	config DEBUG_RK3X_UART2
886 		bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2"
890 		  Say Y here if you want kernel low-level debugging support
893 	config DEBUG_RK3X_UART3
894 		bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3"
898 		  Say Y here if you want kernel low-level debugging support
901 	config DEBUG_RK32_UART2
902 		bool "Kernel low-level debugging messages via Rockchip RK32 UART2"
906 		  Say Y here if you want kernel low-level debugging support
909 	config DEBUG_R7S72100_SCIF2
910 		bool "Kernel low-level debugging messages via SCIF2 on R7S72100"
913 		  Say Y here if you want kernel low-level debugging support
916 	config DEBUG_R7S9210_SCIF2
917 		bool "Kernel low-level debugging messages via SCIF2 on R7S9210"
920 		  Say Y here if you want kernel low-level debugging support
923 	config DEBUG_R7S9210_SCIF4
924 		bool "Kernel low-level debugging messages via SCIF4 on R7S9210"
927 		  Say Y here if you want kernel low-level debugging support
930 	config DEBUG_RCAR_GEN1_SCIF0
931 		bool "Kernel low-level debugging messages via SCIF0 on R8A7778"
934 		  Say Y here if you want kernel low-level debugging support
935 		  via SCIF0 on Renesas R-Car M1A (R8A7778).
937 	config DEBUG_RCAR_GEN1_SCIF2
938 		bool "Kernel low-level debugging messages via SCIF2 on R8A7779"
941 		  Say Y here if you want kernel low-level debugging support
942 		  via SCIF2 on Renesas R-Car H1 (R8A7779).
944 	config DEBUG_RCAR_GEN2_SCIF0
945 		bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1"
949 		  Say Y here if you want kernel low-level debugging support
951 		  R-Car H2 (R8A7790), M2-W (R8A7791), V2H (R8A7792), or
952 		  M2-N (R8A7793).
954 	config DEBUG_RCAR_GEN2_SCIF1
955 		bool "Kernel low-level debugging messages via SCIF1 on R8A77470"
958 		  Say Y here if you want kernel low-level debugging support
961 	config DEBUG_RCAR_GEN2_SCIF2
962 		bool "Kernel low-level debugging messages via SCIF2 on R8A7794"
965 		  Say Y here if you want kernel low-level debugging support
966 		  via SCIF2 on Renesas R-Car E2 (R8A7794).
968 	config DEBUG_RCAR_GEN2_SCIF4
969 		bool "Kernel low-level debugging messages via SCIF4 on R8A7745"
972 		  Say Y here if you want kernel low-level debugging support
975 	config DEBUG_RCAR_GEN2_SCIFA2
976 		bool "Kernel low-level debugging messages via SCIFA2 on R8A7742"
979 		  Say Y here if you want kernel low-level debugging support
982 	config DEBUG_RMOBILE_SCIFA0
983 		bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4"
986 		  Say Y here if you want kernel low-level debugging support
987 		  via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4).
989 	config DEBUG_RMOBILE_SCIFA1
990 		bool "Kernel low-level debugging messages via SCIFA1 on R8A7740"
993 		  Say Y here if you want kernel low-level debugging support
994 		  via SCIFA1 on Renesas R-Mobile A1 (R8A7740).
996 	config DEBUG_RMOBILE_SCIFA4
997 		bool "Kernel low-level debugging messages via SCIFA4 on SH73A0"
1000 		  Say Y here if you want kernel low-level debugging support
1001 		  via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0).
1003 	config DEBUG_S3C_UART0
1008 		bool "Use Samsung S3C UART 0 for low-level debug"
1011 		  their output to UART 0. The port must have been initialised
1012 		  by the boot-loader before use.
1014 	config DEBUG_S3C_UART1
1019 		bool "Use Samsung S3C UART 1 for low-level debug"
1022 		  their output to UART 1. The port must have been initialised
1023 		  by the boot-loader before use.
1025 	config DEBUG_S3C_UART2
1030 		bool "Use Samsung S3C UART 2 for low-level debug"
1033 		  their output to UART 2. The port must have been initialised
1034 		  by the boot-loader before use.
1036 	config DEBUG_S3C_UART3
1041 		bool "Use Samsung S3C UART 3 for low-level debug"
1044 		  their output to UART 3. The port must have been initialised
1045 		  by the boot-loader before use.
1047 	config DEBUG_SA1100
1049 		bool "Use SA1100 UARTs for low-level debug"
1051 		  Say Y here if you want kernel low-level debugging support
1052 		  on SA-11x0 UART ports. The kernel will check for the first
1053 		  enabled UART in a sequence 3-1-2.
1055 	config DEBUG_SD5203_UART
1060 		  Say Y here if you want kernel low-level debugging support
1063 	config DEBUG_SOCFPGA_UART0
1065 		bool "Use SOCFPGA UART0 for low-level debug"
1068 		  Say Y here if you want kernel low-level debugging support
1071 	config DEBUG_SOCFPGA_ARRIA10_UART1
1073 		bool "Use SOCFPGA Arria10 UART1 for low-level debug"
1076 		  Say Y here if you want kernel low-level debugging support
1079 	config DEBUG_SOCFPGA_CYCLONE5_UART1
1081 		bool "Use SOCFPGA Cyclone 5 UART1 for low-level debug"
1084 		  Say Y here if you want kernel low-level debugging support
1087 	config DEBUG_SUN9I_UART0
1088 		bool "Kernel low-level debugging messages via sun9i UART0"
1092 		  Say Y here if you want kernel low-level debugging support
1095 	config DEBUG_SUNXI_UART0
1096 		bool "Kernel low-level debugging messages via sunXi UART0"
1100 		  Say Y here if you want kernel low-level debugging support
1103 	config DEBUG_SUNXI_UART1
1104 		bool "Kernel low-level debugging messages via sunXi UART1"
1108 		  Say Y here if you want kernel low-level debugging support
1111 	config DEBUG_SUNXI_R_UART
1112 		bool "Kernel low-level debugging messages via sunXi R_UART"
1116 		  Say Y here if you want kernel low-level debugging support
1119 	config DEBUG_SPEAR3XX
1120 		bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART"
1124 		  Say Y here if you want kernel low-level debugging support
1127 	config DEBUG_SPEAR13XX
1128 		bool "Kernel low-level debugging messages via ST SPEAr 13xx UART"
1132 		  Say Y here if you want kernel low-level debugging support
1135 	config DEBUG_STIH41X_ASC2
1136 		bool "Use StiH415/416 ASC2 UART for low-level debug"
1139 		  Say Y here if you want kernel low-level debugging support
1145 	config DEBUG_STIH41X_SBC_ASC1
1146 		bool "Use StiH415/416 SBC ASC1 UART for low-level debug"
1149 		  Say Y here if you want kernel low-level debugging support
1155 	config DEBUG_STIH418_SBC_ASC0
1156 		bool "Use StiH418 SBC ASC0 UART for low-level debug"
1159 		  Say Y here if you want kernel low-level debugging support
1165 	config STM32F4_DEBUG_UART
1166 		bool "Use STM32F4 UART for low-level debug"
1170 		  Say Y here if you want kernel low-level debugging support
1177 	config STM32F7_DEBUG_UART
1178 		bool "Use STM32F7 UART for low-level debug"
1182 		  Say Y here if you want kernel low-level debugging support
1189 	config STM32H7_DEBUG_UART
1190 		bool "Use STM32H7 UART for low-level debug"
1194 		  Say Y here if you want kernel low-level debugging support
1201 	config STM32MP1_DEBUG_UART
1202 		bool "Use STM32MP1 UART for low-level debug"
1206 		  Say Y here if you want kernel low-level debugging support on
1207 		  STM32MP1-based platforms, where the default UART is wired to
1213 	config TEGRA_DEBUG_UART_AUTO_ODMDATA
1214 		bool "Kernel low-level debugging messages via Tegra UART via ODMDATA"
1218 		  Automatically determines which UART to use for low-level
1225 	config TEGRA_DEBUG_UARTA
1226 		bool "Kernel low-level debugging messages via Tegra UART A"
1230 		  Say Y here if you want kernel low-level debugging support
1233 	config TEGRA_DEBUG_UARTB
1234 		bool "Kernel low-level debugging messages via Tegra UART B"
1238 		  Say Y here if you want kernel low-level debugging support
1241 	config TEGRA_DEBUG_UARTC
1242 		bool "Kernel low-level debugging messages via Tegra UART C"
1246 		  Say Y here if you want kernel low-level debugging support
1249 	config TEGRA_DEBUG_UARTD
1250 		bool "Kernel low-level debugging messages via Tegra UART D"
1254 		  Say Y here if you want kernel low-level debugging support
1257 	config TEGRA_DEBUG_UARTE
1258 		bool "Kernel low-level debugging messages via Tegra UART E"
1262 		  Say Y here if you want kernel low-level debugging support
1265 	config DEBUG_UX500_UART
1267 		bool "Use Ux500 UART for low-level debug"
1269 		  Say Y here if you want kernel low-level debugging support
1272 	config DEBUG_VERSATILE
1273 		bool "Kernel low-level debugging messages via ARM Versatile UART"
1277 		  Say Y here if you want kernel low-level debugging support
1280 	config DEBUG_VEXPRESS_UART0_DETECT
1281 		bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
1288 		  Note that this will only work with standard A-class core tiles,
1289 		  and may fail with non-standard SMM or custom software models.
1291 	config DEBUG_VEXPRESS_UART0_CA9
1292 		bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)"
1296 		  This option selects UART0 at 0x10009000. Except for custom models,
1297 		  this applies only to the V2P-CA9 tile.
1299 	config DEBUG_VEXPRESS_UART0_RS1
1305 		  of the tiles using the RS1 memory map, including all new A-class
1306 		  core tiles, FPGA-based SMMs and software models.
1308 	config DEBUG_VEXPRESS_UART0_CRX
1309 		bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)"
1314 		  Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7
1316 	config DEBUG_VF_UART
1320 		  Say Y here if you want kernel low-level debugging support
1323 	config DEBUG_VT8500_UART0
1327 		  This option selects UART0 on VIA/Wondermedia System-on-a-chip
1330 	config DEBUG_ZYNQ_UART0
1331 		bool "Kernel low-level debugging on Xilinx Zynq using UART0"
1335 		  their output to UART0 on the Zynq platform.
1337 	config DEBUG_ZYNQ_UART1
1338 		bool "Kernel low-level debugging on Xilinx Zynq using UART1"
1342 		  their output to UART1 on the Zynq platform.
1347 	config DEBUG_ICEDCC
1348 		bool "Kernel low-level debugging via EmbeddedICE DCC channel"
1351 		  their output to the EmbeddedICE macrocell's DCC channel using
1352 		  co-processor 14. This is known to work on the ARM9 style ICE
1358 	config DEBUG_SEMIHOSTING
1359 		bool "Kernel low-level debug output via semihosting I/O"
1374 	config DEBUG_LL_UART_8250
1375 		bool "Kernel low-level debugging via 8250 UART"
1378 		  their output to an 8250 UART.  You can use this option
1387 	config DEBUG_LL_UART_PL01X
1388 		bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART"
1391 		  their output to a PL01x Primecell UART.  You can use
1402 config DEBUG_AT91_UART
1406 config DEBUG_EXYNOS_UART
1409 config DEBUG_S3C64XX_UART
1412 config DEBUG_S5PV210_UART
1415 config DEBUG_S3C_UART
1424 config DEBUG_OMAP2PLUS_UART
1428 config DEBUG_IMX_UART_PORT
1445 	  Choose UART port on which kernel low-level debug messages
1446 	  should be output.
1448 config DEBUG_VF_UART_PORT
1451 	range 0 3
1454 	  Choose UART port on which kernel low-level debug messages
1455 	  should be output.
1457 config DEBUG_TEGRA_UART
1461 config DEBUG_STM32_UART
1465 config DEBUG_UART_FLOW_CONTROL
1476 config DEBUG_LL_INCLUDE
1504 	default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2
1505 	default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF2
1506 	default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF4
1507 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0
1508 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2
1509 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0
1510 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF1
1511 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2
1512 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4
1513 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIFA2
1514 	default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0
1515 	default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1
1516 	default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4
1532 	default "mach/debug-macro.S"
1535 config DEBUG_UART_PL01X
1539 config DEBUG_UART_8250
1542 config DEBUG_UART_PHYS
1673 config DEBUG_UART_VIRT
1774 config DEBUG_UART_8250_SHIFT
1782 config DEBUG_UART_8250_WORD
1783 	bool "Use 32-bit accesses for 8250 UART"
1793 config DEBUG_UART_8250_PALMCHIP
1794 	bool "8250 UART is Palmchip BK-310x"
1801 config DEBUG_UNCOMPRESS
1802 	bool "Enable decompressor debugging via DEBUG_LL output"
1809 	  Say Y here to enable debug output in the decompressor code, using
1810 	  the selected DEBUG_LL output method.
1812 config UNCOMPRESS_INCLUDE
1817 config EARLY_PRINTK
1822 	  kernel low-level debugging functions. Add earlyprintk to your
1825 config ARM_KPROBES_TEST
1831 config PID_IN_CONTEXTIDR